Datasheet MAX31856 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Precision Thermocouple to Digital Converter with Linearization |
| Pages / Page | 30 / 8 — Typical Operating Characteristics (continued). AV = 8 OFFSET ERROR. AV = … |
| File Format / Size | PDF / 676 Kb |
| Document Language | English |
Typical Operating Characteristics (continued). AV = 8 OFFSET ERROR. AV = 32 OFFSET ERROR. vs. TEMPERATURE. FULL-SCALE ERROR
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MAX31856 Precision Thermocouple to Digital Converter with Linearization
Typical Operating Characteristics (continued)
(VCC = 3.3V and TA = +25°C, unless otherwise noted.)
AV = 8 OFFSET ERROR AV = 32 OFFSET ERROR vs. TEMPERATURE vs. TEMPERATURE
10 toc08 10 toc09 8 8 VDD = 3.0V, 3.3V, 3.6V 6 V 6 DD = 3.6V ) 4 V ) 4 (μV DD = 3.3V R (μV 2 R 2 RRO 0 RRO 0 -2 -2 FFSET E O -4 FFSET E O -4 -6 -6 VDD = 3.0V -8 -8 -10 -10 -55 -35 -15 5 25 45 65 85 105 125 -55 -35 -15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C)
FULL-SCALE ERROR COLD-JUNCTION TEMPERATURE vs. COMMON-MODE VOLTAGE ERROR vs. TEMPERATURE
0.08 toc10 0.2 toc11 0.06 0.15 ) VDD = 3.6V ) 0.04 0.1 (°C (% R R 0.02 0.05 RRO RRO VDD = 3.6V N E 0 0 LE E IO VDD = 3.3V -0.02 -0.05 L-SCA -JUNCT V FUL LD -0.04 DD = 3.0V -0.1 V CO DD = 3.3V -0.06 -0.15 VDD = 3.0V -0.08 -0.2 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 -50 0 50 100 COMMON-MODE VOLTAGE (V) TEMPERATURE (°C)
B-TYPE LINEARIZATION ERROR E-TYPE LINEARIZATION ERROR vs. THERMOCOUPLE TEMPERATURE vs. THERMOCOUPLE TEMPERATURE
0.5 toc12 0.5 toc13 CJ Temp = 0°C, 25°C, 85°C,125°C CJ Temp = -40°C, 25°C, 85°C,125°C 0.4 0.4 ) 0.3 ) 0.3 (°C (°C R 0.2 R 0.2 RRO 0.1 RRO 0.1 N E N E 0 0 ZATIO -0.1 ZATIO -0.1 ARI ARI -0.2 -0.2 LINE LINE -0.3 -0.3 -0.4 -0.4 -0.5 -0.5 -200 200 600 1000 1400 1800 -200 200 600 1000 1400 1800 THERMOCOUPLE TEMPERATURE (°C) THERMOCOUPLE TEMPERATURE (°C) www.maximintegrated.com Maxim Integrated │ 8
Typical Operating Characteristics (continued)
(VCC = 3.3V and TA = +25°C, unless otherwise noted.)
AV = 8 OFFSET ERROR AV = 32 OFFSET ERROR vs. TEMPERATURE vs. TEMPERATURE
10 toc08 10 toc09 8 8 VDD = 3.0V, 3.3V, 3.6V 6 V 6 DD = 3.6V ) 4 V ) 4 (μV DD = 3.3V R (μV 2 R 2 RRO 0 RRO 0 -2 -2 FFSET E O -4 FFSET E O -4 -6 -6 VDD = 3.0V -8 -8 -10 -10 -55 -35 -15 5 25 45 65 85 105 125 -55 -35 -15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C)
FULL-SCALE ERROR COLD-JUNCTION TEMPERATURE vs. COMMON-MODE VOLTAGE ERROR vs. TEMPERATURE
0.08 toc10 0.2 toc11 0.06 0.15 ) VDD = 3.6V ) 0.04 0.1 (°C (% R R 0.02 0.05 RRO RRO VDD = 3.6V N E 0 0 LE E IO VDD = 3.3V -0.02 -0.05 L-SCA -JUNCT V FUL LD -0.04 DD = 3.0V -0.1 V CO DD = 3.3V -0.06 -0.15 VDD = 3.0V -0.08 -0.2 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 -50 0 50 100 COMMON-MODE VOLTAGE (V) TEMPERATURE (°C)
B-TYPE LINEARIZATION ERROR E-TYPE LINEARIZATION ERROR vs. THERMOCOUPLE TEMPERATURE vs. THERMOCOUPLE TEMPERATURE
0.5 toc12 0.5 toc13 CJ Temp = 0°C, 25°C, 85°C,125°C CJ Temp = -40°C, 25°C, 85°C,125°C 0.4 0.4 ) 0.3 ) 0.3 (°C (°C R 0.2 R 0.2 RRO 0.1 RRO 0.1 N E N E 0 0 ZATIO -0.1 ZATIO -0.1 ARI ARI -0.2 -0.2 LINE LINE -0.3 -0.3 -0.4 -0.4 -0.5 -0.5 -200 200 600 1000 1400 1800 -200 200 600 1000 1400 1800 THERMOCOUPLE TEMPERATURE (°C) THERMOCOUPLE TEMPERATURE (°C) www.maximintegrated.com Maxim Integrated │ 8
